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/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
#include <common.h>
using namespace std;
#define NAME_LEN 50
#define PHONE_LEN 10
#define SALES_PERSON_LEN 10
#define STATUS_LEN 6
#define SQL_MAXIMUM_MESSAGE_LENGTH 200
SQLHSTMT hstmt;
SQLHDESC hdesc;
SQLSMALLINT RecNumber;
SQLCHAR szSalesPerson[SALES_PERSON_LEN];
SQLCHAR Sqlstate[5], Msg[SQL_MAXIMUM_MESSAGE_LENGTH];
SQLINTEGER NativeError;
SQLRETURN retcode, SQLSTATEs;
SQLCHAR Name;
SQLINTEGER LengthPtr;
SQLSMALLINT SGDR_StringLengthPtr, TypePtr, SubTypePtr, PrecisionPtr, ScalePtr, NullablePtr;
SQLSMALLINT i, MsgLen;
void SQLGetDescRec_DisplayError(SQLSMALLINT HandleType, SQLHDESC InputHandle);
int SQLGetDescRecTest()
{
/* hstmt */
// SQLPrepare a statement to select rows from the ORDERS Table. We can create the table and inside rows in
// NDB by another program TestDirectSQL. In this test program(SQLGetDescRecTest),we only have three rows in
// table ORDERS
/* Prepare the SQL statement with parameter markers. */
retcode = SQLPrepare(hstmt, (SQLCHAR *)"SELECT ORDERID, CUSTID, OPENDATE, SALESPERSON, STATUS FROM ORDERS)", SQL_NTS);
/* SELECT OrderID, CustID, OpenDate, SalesPerson from Table ORDERS */
if (retcode == SQL_SUCCESS || retcode == SQL_SUCCESS_WITH_INFO) {
/* RecoderNumber is less than 1 */
retcode = SQLGetDescRec(hdesc, -1, &Name, sizeof(Name), &SGDR_StringLengthPtr, &TypePtr, &SubTypePtr, &LengthPtr, &PrecisionPtr, &ScalePtr, &NullablePtr);
if (retcode == SQL_ERROR || retcode == SQL_SUCCESS_WITH_INFO)
SQLGetDescRec_DisplayError(SQL_HANDLE_DESC, hdesc);
/* RecoderNumber is greater than N, N be the value of the COUNT field of D, D be the allocated CLI */
/* descriptor area identified by DescriptorHandle */
retcode = SQLGetDescRec(hdesc, 4, &Name, sizeof(Name), &SGDR_StringLengthPtr, &TypePtr, &SubTypePtr, &LengthPtr, &PrecisionPtr, &ScalePtr, &NullablePtr);
if (retcode == SQL_ERROR || retcode == SQL_SUCCESS_WITH_INFO)
SQLGetDescRec_DisplayError(SQL_HANDLE_DESC, hdesc);
}
return 0;
}
void SQLGetDescRec_DisplayError(SQLSMALLINT HandleType, SQLHDESC InputHandle)
{
i = 1;
while ((SQLSTATEs = SQLGetDiagRec(HandleType, InputHandle, i,
Sqlstate, &NativeError, Msg, sizeof(Msg),
&MsgLen)) != SQL_NO_DATA) {
ndbout << "the HandleType is:" << HandleType << endl;
ndbout << "the InputHandle is :" << InputHandle << endl;
ndbout << "the output state is:" << (char *)Sqlstate << endl;
i ++;
}
}
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